Test Description
WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
The number below refers to the step number on the diagnostic table.
3. Due to current limiting capabilities in the module, an antenna cable shorted to ground could still show 1200-1800 mV.
Courtesy of GENERAL MOTORS CORP.